22257064 has 16 divisors (see below), whose sum is σ = 42138720. Its totient is φ = 11020080.

The previous prime is 22257061. The next prime is 22257071. The reversal of 22257064 is 46075222.

It is not an unprimeable number, because it can be changed into a prime (22257061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12682 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (2633670).

Almost surely, 2^22257064 is an apocalyptic number.

It is an amenable number.

22257064 is a deficient number, since it is larger than the sum of its proper divisors (19881656).

22257064 is a wasteful number, since it uses less digits than its factorization.

22257064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27120 (or 27116 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22257064 is about 4717.7392891087. The cubic root of 22257064 is about 281.2910785102.

The spelling of 22257064 in words is "twenty-two million, two hundred fifty-seven thousand, sixty-four".